13503017245 has 8 divisors (see below), whose sum is σ = 16205540184. Its totient is φ = 10801134144.

The previous prime is 13503017243. The next prime is 13503017249. The reversal of 13503017245 is 54271030531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37039396 + 13465977849 = 6086^2 + 116043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13503017245 - 2¹ = 13503017243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503017243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112234 + ... + 199003.

It is an arithmetic number, because the mean of its divisors is an integer number (2025692523).

Almost surely, 2^13503017245 is an apocalyptic number.

It is an amenable number.

13503017245 is a deficient number, since it is larger than the sum of its proper divisors (2702522939).

13503017245 is an equidigital number, since it uses as much as digits as its factorization.

13503017245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319919.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 13503017245 its reverse (54271030531), we get a palindrome (67774047776).

The spelling of 13503017245 in words is "thirteen billion, five hundred three million, seventeen thousand, two hundred forty-five".